fabrics [v]
- versteifen
- steif machen
liquid [v]
- gelatinieren
- gelieren
- eindicken
material [v]
- steif werden

fabrics [v]
- renforcer
- raidir
liquid [v]
- se congeler
- s'épaissir
- devenir ferme
- prendre de la consistance
material [v]
- devenir raide
- devenir rigide

fabrics [v]
- rinforzare
- ispessire
liquid [v]
- solidificare
- coagulare
- ispessire
material [v]
- irrigidirsi
- diventare rigido

fabrics [v]
- atiesar
- almidonar
liquid [v]
- congelar
- cuajar
- coagular
material [v]
- endurecerse

fabrics [v]
- verstijven
- stijfmaken
liquid [v]
- indikken
- geleren
- stremmen
material [v]
- stijf worden

fabrics [v]
- stärka
liquid [v]
- stelna
- koagulera
- tjockna
material [v]
- styvna
- stelna

fabrics [v]
- reforçar
liquid [v]
- congelar
- coagular
- solidificar-se
material [v]
- endurecer-se
- enrijecer
- enrijar

harden [v]
- solidify
- thicken
- set
- congeal
- jell
- cake

Present participle; Past participle
- stiffening
- stiffened
Present
- stiffen
- stiffen
- stiffens
- stiffen
- stiffen
- stiffen
Past
- stiffened
- stiffened
- stiffened
- stiffened
- stiffened
- stiffened
Future
- will stiffen
- will stiffen
- will stiffen
- will stiffen
- will stiffen
- will stiffen
Present conditional
- would stiffen
- would stiffen
- would stiffen
- would stiffen
- would stiffen
- would stiffen
Present Perfect
- have stiffened
- have stiffened
- has stiffened
- have stiffened
- have stiffened
- have stiffened
Past Perfect
- had stiffened
- had stiffened
- had stiffened
- had stiffened
- had stiffened
- had stiffened
Future Perfect
- will have stiffened
- will have stiffened
- will have stiffened
- will have stiffened
- will have stiffened
- will have stiffened
Past conditional
- would have stiffened
- would have stiffened
- would have stiffened
- would have stiffened
- would have stiffened
- would have stiffened
Imperative
- -
- stiffen
- -
- -
- -
- -